SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 2)
    Function modulo (alias k) (children 1)
     ExpressionList (children 2)
      Function toUInt32 (children 1)
       ExpressionList (children 1)
        Identifier s
      Literal UInt64_5
    Function groupUniqArray (children 1)
     ExpressionList (children 1)
      Function modulo (children 1)
       ExpressionList (children 2)
        Identifier u
        Literal UInt64_4
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t_sparse_full
   Function notEquals (children 1)
    ExpressionList (children 2)
     Identifier s
     Literal \'\'
   ExpressionList (children 1)
    Identifier k
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier k